physical education. n. (Education) training and practice in sports, gymnastics, etc, as in schools and colleges. Abbreviation: PE. physâ²ical educaâ²tion. n. instruction in sports, exercise, and hygiene, esp. as part of a school or college program.
3. Stress/injury. Stress on the tissues or any type of injury in the mouth can cause canker sores. Since the sores are actually tiny ulcers, they can be caused by any kind of hard brushing or eating something that can cause bruises or lead to tissue inflammation in the mouth.
Symptoms of dry mouth include sticky mouth, dry and cracked lips and tongue, sore throat, cavities, and more. A dental abscess, a severe tooth infection, can cause throbbing pain, swelling, redness, fever, and more. Dental cavities are tiny holes in teeth and can aching pain in the tooth and jaw. Gingivitis is a mild form of periodontal (gum) disease that can cause redness, swelling, and bleeding gums. Symptoms of heartburn and GERD are a burning feeling in the chest, throat, or mouth, nausea, and more.